[1197] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // $Id: G4AdjointPrimaryGenerator.cc,v 1.2 2009/11/18 17:57:59 gcosmo Exp $ |
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[1228] | 27 | // GEANT4 tag $Name: geant4-09-03 $ |
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[1197] | 28 | // |
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| 29 | ///////////////////////////////////////////////////////////////////////////// |
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| 30 | // Class Name: G4AdjointCrossSurfChecker |
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| 31 | // Author: L. Desorgher |
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| 32 | // Organisation: SpaceIT GmbH |
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| 33 | // Contract: ESA contract 21435/08/NL/AT |
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| 34 | // Customer: ESA/ESTEC |
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| 35 | ///////////////////////////////////////////////////////////////////////////// |
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| 36 | |
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| 37 | #include "G4AdjointPrimaryGenerator.hh" |
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| 38 | #include "G4Event.hh" |
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| 39 | #include "G4SingleParticleSource.hh" |
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| 40 | #include "G4ParticleDefinition.hh" |
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| 41 | #include "G4AdjointPosOnPhysVolGenerator.hh" |
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| 42 | |
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| 43 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 44 | // |
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| 45 | G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator() |
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| 46 | { |
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| 47 | theSingleParticleSource = new G4SingleParticleSource(); |
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| 48 | |
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| 49 | theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow"); |
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| 50 | theSingleParticleSource->GetEneDist()->SetAlpha(-1.); |
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| 51 | theSingleParticleSource->GetPosDist()->SetPosDisType("Point"); |
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| 52 | theSingleParticleSource->GetAngDist()->SetAngDistType("planar"); |
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| 53 | |
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| 54 | theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance(); |
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| 55 | } |
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| 56 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 57 | // |
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| 58 | G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator() |
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| 59 | { |
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| 60 | delete theSingleParticleSource; |
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| 61 | } |
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| 62 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 63 | // |
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| 64 | void G4AdjointPrimaryGenerator::GenerateAdjointPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* adj_part,G4double E1,G4double E2) |
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| 65 | { |
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| 66 | if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") { |
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| 67 | |
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| 68 | //Generate position and direction relative to the external surface of sensitive volume |
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| 69 | //------------------------------------------------------------- |
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| 70 | |
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| 71 | G4double costh_to_normal; |
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| 72 | G4ThreeVector pos,direction; |
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| 73 | theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal); |
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| 74 | if (costh_to_normal <1.e-4) costh_to_normal =1.e-4; |
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| 75 | theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(-direction); |
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| 76 | theSingleParticleSource->GetPosDist()->SetCentreCoords(pos); |
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| 77 | } |
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| 78 | |
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| 79 | theSingleParticleSource->GetEneDist()->SetEmin(E1); |
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| 80 | theSingleParticleSource->GetEneDist()->SetEmax(E2); |
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| 81 | |
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| 82 | theSingleParticleSource->SetParticleDefinition(adj_part); |
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| 83 | theSingleParticleSource->GeneratePrimaryVertex(anEvent); |
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| 84 | } |
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| 85 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 86 | // |
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| 87 | void G4AdjointPrimaryGenerator::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos) |
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| 88 | { |
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| 89 | radius_spherical_source = radius; |
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| 90 | center_spherical_source = center_pos; |
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| 91 | type_of_adjoint_source ="Spherical"; |
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| 92 | theSingleParticleSource->GetPosDist()->SetPosDisType("Surface"); |
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| 93 | theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere"); |
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| 94 | theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos); |
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| 95 | theSingleParticleSource->GetPosDist()->SetRadius(radius); |
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| 96 | theSingleParticleSource->GetAngDist()->SetAngDistType("cos"); |
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| 97 | theSingleParticleSource->GetAngDist()->SetMaxTheta(pi); |
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| 98 | theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi); |
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| 99 | } |
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| 100 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 101 | // |
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| 102 | void G4AdjointPrimaryGenerator::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name) |
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| 103 | { |
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| 104 | theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name); |
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| 105 | type_of_adjoint_source ="ExternalSurfaceOfAVolume"; |
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| 106 | theSingleParticleSource->GetPosDist()->SetPosDisType("Point"); |
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| 107 | theSingleParticleSource->GetAngDist()->SetAngDistType("planar"); |
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| 108 | } |
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| 109 | |
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